diff options
author | Haavard Skinnemoen <haavard.skinnemoen@atmel.com> | 2009-12-14 19:23:03 +0100 |
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committer | Haavard Skinnemoen <haavard.skinnemoen@atmel.com> | 2009-12-14 19:23:03 +0100 |
commit | 559300bc0ef7ccd541656f1189d38e7088389559 (patch) | |
tree | cd1682881ca4246e9c5a1e8632be4bdd9d9706c6 /fs/sysfs/file.c | |
parent | 5416bf33f92a4104dbcd6062bf377c8421ca3cfd (diff) | |
parent | 22763c5cf3690a681551162c15d34d935308c8d7 (diff) |
Merge commit 'v2.6.32'
Conflicts:
arch/avr32/mach-at32ap/include/mach/cpu.h
Diffstat (limited to 'fs/sysfs/file.c')
-rw-r--r-- | fs/sysfs/file.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/fs/sysfs/file.c b/fs/sysfs/file.c index 561a9c050cef..f5ea4680f15f 100644 --- a/fs/sysfs/file.c +++ b/fs/sysfs/file.c @@ -268,7 +268,7 @@ static int sysfs_get_open_dirent(struct sysfs_dirent *sd, struct sysfs_open_dirent *od, *new_od = NULL; retry: - spin_lock(&sysfs_open_dirent_lock); + spin_lock_irq(&sysfs_open_dirent_lock); if (!sd->s_attr.open && new_od) { sd->s_attr.open = new_od; @@ -281,7 +281,7 @@ static int sysfs_get_open_dirent(struct sysfs_dirent *sd, list_add_tail(&buffer->list, &od->buffers); } - spin_unlock(&sysfs_open_dirent_lock); + spin_unlock_irq(&sysfs_open_dirent_lock); if (od) { kfree(new_od); @@ -315,8 +315,9 @@ static void sysfs_put_open_dirent(struct sysfs_dirent *sd, struct sysfs_buffer *buffer) { struct sysfs_open_dirent *od = sd->s_attr.open; + unsigned long flags; - spin_lock(&sysfs_open_dirent_lock); + spin_lock_irqsave(&sysfs_open_dirent_lock, flags); list_del(&buffer->list); if (atomic_dec_and_test(&od->refcnt)) @@ -324,7 +325,7 @@ static void sysfs_put_open_dirent(struct sysfs_dirent *sd, else od = NULL; - spin_unlock(&sysfs_open_dirent_lock); + spin_unlock_irqrestore(&sysfs_open_dirent_lock, flags); kfree(od); } @@ -456,8 +457,9 @@ static unsigned int sysfs_poll(struct file *filp, poll_table *wait) void sysfs_notify_dirent(struct sysfs_dirent *sd) { struct sysfs_open_dirent *od; + unsigned long flags; - spin_lock(&sysfs_open_dirent_lock); + spin_lock_irqsave(&sysfs_open_dirent_lock, flags); od = sd->s_attr.open; if (od) { @@ -465,7 +467,7 @@ void sysfs_notify_dirent(struct sysfs_dirent *sd) wake_up_interruptible(&od->poll); } - spin_unlock(&sysfs_open_dirent_lock); + spin_unlock_irqrestore(&sysfs_open_dirent_lock, flags); } EXPORT_SYMBOL_GPL(sysfs_notify_dirent); |